Diagonal

java.lang.Object

cern.colt.matrix.linalg.Diagonal

class Diagonal extends Object

For diagonal matrices we can often do better.

Version:: 1.0, 09/24/99

Constructor Summary

Constructors

Modifier

Constructor

Description

protected

Diagonal()

Makes this class non instantiable, but still let's others inherit from it.
Method Summary

Modifier and Type

Method

Description

static boolean

inverse(DoubleMatrix2D A)

Modifies A to hold its inverse.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- Diagonal
  
  protected Diagonal()
  
  Makes this class non instantiable, but still let's others inherit from it.
Method Details
- inverse
  
  public static boolean inverse(DoubleMatrix2D A)
  
  Modifies A to hold its inverse.
  
  Parameters:
  
  x - the first vector.
  
  y - the second vector.
  
  Returns:
  
  isNonSingular.
  
  Throws:
  
  IllegalArgumentException - if x.size() != y.size().